Fix HBD compilation of intrabc

Change-Id: Ie5718de1eb70fd753c2bfd7df9581aa92e13984c

av1/encoder/encoder.c

@@ -3946,9 +3946,9 @@ static void set_frame_size(AV1_COMP *cpi) {
   }
 #if CONFIG_INTRABC
 #if CONFIG_HIGHBITDEPTH
-  av1_setup_scale_factors_for_frame(
-      &xd->sf_identity, cm->width, cm->height, cm->width, cm->height,
-      (buf->flags & YV12_FLAG_HIGHBITDEPTH) ? 1 : 0);
+  av1_setup_scale_factors_for_frame(&xd->sf_identity, cm->width, cm->height,
+                                    cm->width, cm->height,
+                                    cm->use_highbitdepth);
 #else
   av1_setup_scale_factors_for_frame(&xd->sf_identity, cm->width, cm->height,
                                     cm->width, cm->height);

configure

@@ -510,7 +510,6 @@ post_process_cmdline() {
     soft_enable palette_throughput
 
     # Workaround features currently incompatible with highbitdepth
-    enabled intrabc && disable_feature highbitdepth
     enabled pvq && disable_feature highbitdepth
     enabled daala_dist && disable_feature highbitdepth
     enabled tx64x64 && disable_feature highbitdepth